小学一年级数学口算题：20以内的连加

(1)8 + 9 + 2 =

(2)2 + 2 + 14 =

(3)1 + 13 + 1 =

(4)6 + 3 + 1 =

(5)9 + 1 + 9 =

(6)2 + 4 + 3 =

(7)1 + 10 + 8 =

(8)2 + 6 + 7 =

(9)10 + 3 + 2 =

(10)6 + 3 + 8 =

(11)4 + 15 + 1 =

(12)10 + 1 + 5 =

(13)9 + 2 + 3 =

(14)1 + 14 + 3 =

(15)1 + 10 + 5 =

点击查看答案

答案：

(1)8 + 9 + 2 =19

(2)2 + 2 + 14 =18

(3)1 + 13 + 1 =15

(4)6 + 3 + 1 =10

(5)9 + 1 + 9 =19

(6)2 + 4 + 3 =9

(7)1 + 10 + 8 =19

(8)2 + 6 + 7 =15

(9)10 + 3 + 2 =15

(10)6 + 3 + 8 =17

(11)4 + 15 + 1 =20

(12)10 + 1 + 5 =16

(13)9 + 2 + 3 =14

(14)1 + 14 + 3 =18

(15)1 + 10 + 5 =16